Create site design in SharePoint 2016

[Qasim780]

Hi Im new to SharePoint 2016 and I want to create custom site design layout programmatically.. please let me know how can I achieve this.. any help on it would be appreciated.. thanks 

[#2]

You should be able to use PNP and the use on Invoke-PnPSiteTemplate to apply a new template. Templates are usualy created in an XML

https://learn.microsoft.com/en-us/sharepoint/dev/solution-guidance/pnp-provisioning-schema
https://github.com/pnp/PnP-Provisioning-Schema